Rank	Countries/Territories	Count	Percent
1	United States	399	47.2%
2	China	240	28.4%
3	Germany	69	8.2%
4	Japan	23	2.7%
5	India	14	1.7%
6	Korea, Republic of	11	1.3%
7	Ireland	8	0.9%
8	United Kingdom	8	0.9%
9	Netherlands	8	0.9%
10	Italy	6	0.7%
11	Canada	6	0.7%
12	Cyprus	5	0.6%
13	Morocco	5	0.6%
14	Thailand	5	0.6%
15	Singapore	4	0.5%
16	France	4	0.5%
17	Libya	4	0.5%
18	Iran, Islamic Republic of	3	0.4%
19	Syrian Arab Republic	3	0.4%
20	Switzerland	2	0.2%
21	New Zealand	2	0.2%
22	Poland	2	0.2%
23	Russia	2	0.2%
24	Saudi Arabia	2	0.2%
25	Turkey	2	0.2%
26	Belgium	2	0.2%
27	Australia	1	0.1%
28	Costa Rica	1	0.1%
29	Egypt	1	0.1%
30	Iraq	1	0.1%
31	Hong Kong	1	0.1%
32	Pakistan	1	0.1%